* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 27 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 437711
Prefixes after maximum aggregation: 180576
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217868
Total ASes present in the Internet Routing Table: 39820
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34237
Origin ASes announcing only one prefix: 15973
Transit ASes present in the Internet Routing Table: 5583
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 961
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 3783
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9409
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 202
Number of addresses announced to Internet: 2638412032
Equivalent to 157 /8s, 66 /16s and 249 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 153145
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101119
Total APNIC prefixes after maximum aggregation: 31684
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 102834
Unique aggregates announced from the APNIC address blocks: 43895
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.59
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 779
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 717133568
Equivalent to 42 /8s, 190 /16s and 151 /24s
Percentage of available APNIC address space announced: 83.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 154762
Total ARIN prefixes after maximum aggregation: 78473
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155475
Unique aggregates announced from the ARIN address blocks: 71235
ARIN Region origin ASes present in the Internet Routing Table: 15408
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5843
ARIN Region transit ASes present in the Internet Routing Table: 1540
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1076433152
Equivalent to 64 /8s, 41 /16s and 17 /24s
Percentage of available ARIN address space announced: 56.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 114262
Total RIPE prefixes after maximum aggregation: 58912
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117508
Unique aggregates announced from the RIPE address blocks: 75046
RIPE Region origin ASes present in the Internet Routing Table: 17069
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2737
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653567232
Equivalent to 38 /8s, 244 /16s and 165 /24s
Percentage of available RIPE address space announced: 95.0
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 46613
Total LACNIC prefixes after maximum aggregation: 9033
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 50321
Unique aggregates announced from the LACNIC address blocks: 23707
LACNIC Region origin ASes present in the Internet Routing Table: 1824
LACNIC Prefixes per ASN: 27.59
LACNIC Region origin ASes announcing only one prefix: 536
LACNIC Region transit ASes present in the Internet Routing Table: 332
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 123389696
Equivalent to 7 /8s, 90 /16s and 199 /24s
Percentage of available LACNIC address space announced: 73.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10778
Total AfriNIC prefixes after maximum aggregation: 2418
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 11370
Unique aggregates announced from the AfriNIC address blocks: 3801
AfriNIC Region origin ASes present in the Internet Routing Table: 600
AfriNIC Prefixes per ASN: 18.95
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 45267968
Equivalent to 2 /8s, 178 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 45.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17974 2477 820 79 PT Telekomunikasi Indonesia
4766 2123 11551 628 Korea Telecom (KIX)
7545 1822 301 89 TPG Internet Pty Ltd
4755 1678 382 189 TATA Communications formerly
9829 1425 1140 43 National Internet Backbone
9583 1199 90 504 Sify Limited
7552 1150 1070 12 Vietel Corporation
9498 1065 310 75 BHARTI Airtel Ltd.
24560 1043 384 158 Bharti Airtel Ltd., Telemedia
18101 1009 135 171 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3055 3695 96 BellSouth.net Inc.
7029 2167 1265 210 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1986 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1604 1155 397 tw telecom holdings, inc.
30036 1352 289 681 Mediacom Communications Corp
7018 1314 10586 865 AT&T Services, Inc.
7011 1209 320 691 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1788 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1065 232 208 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 830 783 68 France Telecom Espana SA
31148 762 39 20 FreeNet ISP
20940 750 253 595 Akamai Technologies European
8551 732 367 39 Bezeq International
6830 714 2313 435 UPC Broadband
34744 675 186 28 SC GVM SISTEM 2003 SRL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2402 1330 84 Types of queries are: POCs, o
10620 2325 399 226 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1381 435 70 Axtel, S.A.B. de C.V.
8151 1230 2815 391 Uninet S.A. de C.V.
14754 939 128 75 Telgua
18881 794 716 18 Global Village Telecom
27947 760 87 93 Telconet S.A
3816 689 307 87 Types of queries are: POCs, o
7738 613 1242 34 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1286 80 4 MOBITEL
24863 895 274 34 LINKdotNET AS number
8452 536 958 13 TEDATA
6713 535 615 23 Itissalat Al-MAGHRIB
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
37054 190 11 5 Data Telecom Service
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3055 3695 96 BellSouth.net Inc.
17974 2477 820 79 PT Telekomunikasi Indonesia
28573 2402 1330 84 Types of queries are: POCs, o
10620 2325 399 226 Types of queries are: POCs, o
7029 2167 1265 210 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1986 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
7545 1822 301 89 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2477 2398 PT Telekomunikasi Indonesia
28573 2402 2318 Types of queries are: POCs, o
10620 2325 2099 Types of queries are: POCs, o
7029 2167 1957 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1986 1862 Cox Communications Inc.
1785 1957 1834 PaeTec Communications, Inc.
8402 1788 1772 Corbina telecom
7545 1822 1733 TPG Internet Pty Ltd
4766 2123 1495 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:13 /10:30 /11:88 /12:248
/13:481 /14:865 /15:1559 /16:12543 /17:6610 /18:10925
/19:21682 /20:31217 /21:33327 /22:45436 /23:40871 /24:231200
/25:9 /26:11 /27:11 /28:141 /29:192 /30:94
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1755 3055 BellSouth.net Inc.
7029 1555 2167 Windstream Communications Inc
8402 1523 1788 Corbina telecom
22773 1302 1986 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1240 1352 Mediacom Communications Corp
11492 1170 1208 CABLE ONE, INC.
1785 1039 1957 PaeTec Communications, Inc.
7011 958 1209 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:677 2:750 3:3 4:13 5:752 6:3
8:479 12:1931 13:3 14:724 15:11 16:3
17:8 20:24 23:244 24:1796 27:1462 31:1152
32:49 33:2 34:5 36:11 37:1289 38:846
39:2 40:151 41:2760 42:177 44:3 46:1752
47:1 49:611 50:656 52:12 54:28 55:9
57:31 58:995 59:555 60:267 61:1323 62:1056
63:2026 64:4301 65:2166 66:4243 67:2041 68:1121
69:3261 70:860 71:524 72:1907 74:2546 75:413
76:289 77:1082 78:1020 79:569 80:1239 81:973
82:622 83:548 84:559 85:1161 86:477 87:941
88:374 89:1740 90:262 91:5433 92:618 93:1732
94:2070 95:1573 96:498 97:336 98:1037 99:49
100:29 101:307 103:2171 105:519 106:133 107:206
108:490 109:1796 110:825 111:1011 112:489 113:734
114:679 115:914 116:859 117:784 118:978 119:1227
120:365 121:690 122:1702 123:1194 124:1286 125:1312
128:498 129:187 130:300 131:633 132:315 133:143
134:248 135:62 136:220 137:230 138:340 139:166
140:192 141:305 142:503 143:374 144:479 145:88
146:519 147:343 148:693 149:350 150:144 151:403
152:400 153:191 154:28 155:370 156:240 157:344
158:263 159:629 160:335 161:397 162:367 163:193
164:571 165:442 166:434 167:575 168:1004 169:129
170:1023 171:165 172:4 173:1578 174:572 175:424
176:1122 177:1700 178:1738 179:1 180:1383 181:238
182:1175 183:327 184:645 185:254 186:2306 187:1295
188:1918 189:1525 190:6593 192:6312 193:5657 194:4519
195:3493 196:1319 197:963 198:4111 199:5202 200:5998
201:2216 202:8667 203:8661 204:4422 205:2534 206:2694
207:2723 208:4063 209:3513 210:2786 211:1553 212:2005
213:1930 214:897 215:91 216:5209 217:1586 218:590
219:309 220:1261 221:551 222:329 223:466
End of report
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